The following table sets forth as of April 14, 1997 (i) the name, address and holdings as to each person (including any "group" as defined in Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Exchange Act")) known by the Company to be the beneficial owner of more than five percent of the Common Stock, and (ii) the beneficial ownership of Common Stock of each of the executive officers and directors of the Company and all executive officers and directors of the Company as a group. <TABLE> <CAPTION> NAME AND ADDRESS OF AMOUNT AND NATURE OF BENEFICIAL OWNER BENEFICIAL OWNERSHIP PERCENT OF CLASS ------------------- -------------------- ---------------- <S> <C> <C> Charles River Partners(1).................................. 978,272 10.3 One Thousand Winter Street Suite 3300 Waltham, Massachusetts 02154 M. Antony White(2)......................................... 873,000 9.1 590 Fifth Avenue New York, New York 10036 Karl M. Friedman(3)........................................ 765,102 8.1 8774 Yates Drive Westminster, CO 80030 Putnam Investments(4)...................................... 738,503 7.8 One Post Office Square Boston, Massachusetts Pilgrim Baxter & Associates, Ltd.(5)....................... 1,007,600 10.6 1255 Drummers Lane Suite 300 Wayne, PA 19087 Daniel C. Snyder(6)........................................ 445,819 4.5 Frank Kenny(7)............................................. -- * Antony H. Lee(7)........................................... -- * All executive officers and directors as a group (5 persons)................................................. 2,083,921(8) 20.7 |